body {
    padding: 0 !important;
    margin: 0 !important;
    border: none !important;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}
* {
    -webkit-user-select: none;
    -khtml-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
